FUNCTION: thm_energy_to_ebin(dat,en) INPUT: dat: structure, 2d data structure filled by get_eesa_surv, get_eesa_burst, etc. en: real,fltarr, real or float array of energy values KEYWORD: BIN int,intarr optional, angle bins corresponding to "en" used when energies depend upon angle bin PURPOSE: Returns the energy bin numbers in "dat.energy" nearest to "en" CREATED BY: J.McFadden LAST MODIFICATION: 96-4-22 J.McFadden 2014-06-30: Adding thm prefix to differentiate from identically named FAST routines $LastChangedBy: aaflores $ $LastChangedDate: 2014-06-30 18:58:14 -0700 (Mon, 30 Jun 2014) $ $LastChangedRevision: 15492 $ $URL: svn+ssh://thmsvn@ambrosia.ssl.berkeley.edu/repos/spdsoft/trunk/projects/themis/spacecraft/particles/ESA/packet/functions/thm_energy_to_ebin.pro $